Most volatile over the long term?

1. EUR/NZD - Semi trending/ranging pair
2. EUR/AUD - Most ranging (tight)
3. GBP/JPY - Trending
4. ?
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I would not include USD/ZAR, since the large pip spread negates the volatility (and therefore potential profit). Same goes for USD/XAG.

Please help in compiling a nice list.

fxterrapin